plz solve 1 to 4 task

A=[104020503060 Output on console: [603050204010] Task2 Write a C++ function that reads two matrices from two files and calculates the sum of two matrices. Example M1.txt M2.txt TUnibersity of C entral junjab (incorporated by Ordinance No. XXIV of 2002 promulgated by Govemment of the Punjab) FACULTY OF INFORMATION TECHNOLOGY A+B=[104020503060]+[901070204080]=[10050907070140] Task 3 Write a C++ function, that accepts a 2d array, row and columns as function parameters, and the function should display the data column wise. Example A=[142536 Outputonconsole:123456 Tesk 4 Write a C++ function, that accepts a 2d array, row and columns as function parameters, and displays the highest marks obtained by each student (round the marks; 9.9 to 10, 9.4 to 9). Example 7.429.93.88.8 4.41.56 Output on console: highest marks are 10,6